From 3c6ba76fb014bdde4fc985feb959dae27040a20d Mon Sep 17 00:00:00 2001 From: me-no-dev Date: Sun, 26 Oct 2025 13:07:32 +0200 Subject: [PATCH] Make TCP buffer dividable by MSS By default the buffer has 16 bytes overhead --- configs/defconfig.common | 1 + 1 file changed, 1 insertion(+) diff --git a/configs/defconfig.common b/configs/defconfig.common index 68f1ad767..1f4a1924d 100644 --- a/configs/defconfig.common +++ b/configs/defconfig.common @@ -56,6 +56,7 @@ CONFIG_LWIP_ETHARP_TRUST_IP_MAC=y # CONFIG_LWIP_DHCP_DOES_ARP_CHECK is not set CONFIG_LWIP_TCP_SYNMAXRTX=6 CONFIG_LWIP_TCP_MSS=1436 +CONFIG_LWIP_TCP_SND_BUF_DEFAULT=5744 CONFIG_LWIP_TCP_RTO_TIME=3000 CONFIG_LWIP_TCP_SACK_OUT=y CONFIG_LWIP_TCPIP_TASK_STACK_SIZE=4096